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55030 = 255503
BaseRepresentation
bin1101011011110110
32210111011
431123312
53230110
61102434
7316303
oct153366
983434
1055030
1138388
1227a1a
131c081
14160aa
151148a
hexd6f6

55030 has 8 divisors (see below), whose sum is σ = 99072. Its totient is φ = 22008.

The previous prime is 55021. The next prime is 55049. The reversal of 55030 is 3055.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 55030.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2742 + ... + 2761.

It is an arithmetic number, because the mean of its divisors is an integer number (12384).

255030 is an apocalyptic number.

55030 is a deficient number, since it is larger than the sum of its proper divisors (44042).

55030 is a wasteful number, since it uses less digits than its factorization.

55030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5510.

The product of its (nonzero) digits is 75, while the sum is 13.

The square root of 55030 is about 234.5847394866. The cubic root of 55030 is about 38.0364378098.

Adding to 55030 its reverse (3055), we get a palindrome (58085).

The spelling of 55030 in words is "fifty-five thousand, thirty".

Divisors: 1 2 5 10 5503 11006 27515 55030